ICON Vehicle Dynamics' bolt - on skid plate system offers the ultimate in lower control arm protection for both on and off - road use. Reduce the risk of lower arm failure during everyday driving, running offroad trails, getting to your favorite hunting or fishing spot, or crawling in mountainous terrain. This skid plate system will allow you to slide over rocks and debris all while helping to protect your lower arms from trip - ending damage. Made from 316 laser cut steel, our 2010 - 2014 Toyota FJ Cruiser and 2010 - 2024 Toyota 4Runner lower arm skid plates offer extreme durability and a precision fit for easy installation.